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Purana Electric Co., Ltd.
Purana Electric Co., Ltd.  

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12kV Embedded Poles for VD4 Cicuit Breaker 

Payment Terms: T/T,L/C 
Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Model No.: PEP12/1250-31.5C
Production Capacity: 3000PCS/MONTH
Delivery Date: 20-30 days after receiving ...
Poles Number: 3
Rated Voltage: 12kV
Rated Breaking Current: 31.5kA
Means of Transport: Ocean,Land,Air
Packing: In wooden cases
Type: Insulator
Brand Name: PURANA
Rated current: 1250A
Material: Epoxy resin

1.Germany imported epoxy resin material
2.Latest APG technology
3.Highest standard production control

PURANA insist on the best material, latest APG technology and highest standard production control, which can make sure that our embedded poles can reach the highest quality:

1. Innovative APG casting can prevent effects shock, moisture and dust on the interrupter;
2. China best vacuum interrupter manufacturer, also it can be designated by clients;
3. All Germany imported epoxy resin, it has good cracking resistance characteristic and glass transition temperature can reach 110℃;
4. Choosing the T2 cooper, shaped by the forging and pressing, then the upper and lower outgoing terminals has good inner compactness and conductivity;
5. All Germany imported glass fiber has excellent shock resistance and tensile strength make sure the best quality of embedded pole.

Definition:

Embedding the vacuum interrupter in a special cast resin makes the pole parts of the circuit-breaker notably robust and at the same time protects the vacuum interrupter from impact, dust, moisture and external damage. PURANA insist on the best material, latest APG technology and highest standard production control, which can make sure that our embedded poles can reach the highest quality. Maintenance-free for life, modular in structure and extremely robust and compact in design – characteristics enabling embedded poles for vacuum circuit breakers to fulfill the highest quality standards and making them highly reliable even in adverse conditions. With their intelligent overall design, the embedded poles can easily be assembled into vacuum circuit-breakers, making them the optimum choice for apparatus manufacturers. As a further plus, embedded poles function is absolutely stable in the widest conceivable range of climatic conditions.

Features:
High dielectric strength without any further external precautions;
Optimum protection of the vacuum interrupter from moisture, dust and external damage;
Suitable for all conceivable climatic conditions and site altitudes;
Absolutely reliable with long service life;
Easy assembly on circuit-breakers;
Highest quality standard;
Maintenance-free;
Efficient increase in dielectric strength without use of greenhouse gases.

Main Technical Datas:

1Rated voltage12KV
2Rated Current1250A
3Rated frequency50/60HZ
4Rated short-circuit breaking current31.5KA
5Breaking operations of rated short-circuit breaking current30 times
6Rated short-circuit making current80KA
7Rated peak withstand current80KA
8Rated short-time withstand current(4s)31.5KA
9Rated breaking current of single capacitor bank630A
10Rated breaking current of back-to-back capactior bank400A
11Short-time power-frequency withstand voltage (1min)42KV
12Lightning impulse withstand voltage (peak)75KV
13Circuit resistance at rated contact force≤30µΩ
14Mechanical endurance30000 times
15Contact closing force due to bellows and atmosphere 120±50N
16Counterforce at rated contact storke180±50N
17Contact limit erosion3mm
18Storage life20 years
19Partial discharge≤1PC
20Rated operating sequence0-0.3s-C0-180s-C0

Mechanical Datas of Vacuum Circuit Breaker:

1Rated contact stroke9±1mm
2Contact connect storke4±1mm
3Average opening speed1.1±0.2m/s
4Average closing speed0.6±0.2m/s
5Rate contact pressure3100±200N
6Contact bouncing duration at closing operation≤2ms
7Out of simultaneity of contact closing and opening ≤2ms
8Max. Overtravel≤2mm

Drawing of Embedded Pole:

Mixed-Embedded All-in Machine:


Automatic Machine of Raw Material:

Production Equipments:

Production Testers:

Testing before Ex-work:

Warehousing:


Ms. Sharon
skype Ms. Sharon
Sales
Tel: 86-574-63037416
Fax: 86-574-63022858
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Company Info

Purana Electric Co., Ltd. [China (Mainland)]


Business Type:Manufacturer, Distributor/Wholesaler
City: Ningbo
Province/State: Zhejiang
Country/Region: China (Mainland)

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Purana-Sharon:   skype

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